Type casting in c language | #19 C Programming tutorial in HINDI

Welcome to Tech Talk Tricks and in this video, we will learn about type casting and how to convert one data type to another data type in c language.So stay tuned and watch syntax of type casting in c language.

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Type casting is a way to convert a variable from one data type to another data type. For example, if you want to store a long value into a simple integer then you can typecast long to int. You can convert values from one type to another explicitly using the cast operator.
A type cast is basically a conversion from one type to another. There are two types of type conversion:

Implicit Type Conversion Also known as ‘automatic type conversion’.
Done by the compiler on its own, without any external trigger from the user.
Generally takes place when in an expression more than one data type is present. In such condition type conversion (type promotion) takes place to avoid lose of data.
All the data types of the variables are upgraded to the data type of the variable with largest data type.

It is possible for implicit conversions to lose information, signs can be lost (when signed is implicitly converted to unsigned), and overflow can occur (when long long is implicitly converted to float).
Example of Type Implicit Conversion:

// An example of implicit conversion

int main()
{
int x = 10; // integer x
char y = 'a'; // character c

// y implicitly converted to int. ASCII
// value of 'a' is 97
x = x + y;

// x is implicitly converted to float
float z = x + 1.0;

printf("x = %d, z = %f", x, z);
return 0;
}

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